{% load cache %}
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    {% cache 500 yecache %}
    <img src="http://pic16.nipic.com/20111006/6239936_092702973000_2.jpg" alt="加载失败">
    {% endcache %}
</body>
</html>